Nuclear Chemistry Question 28
Question: Half-life of radium is 1580 yrs. Its average life will be
[AIIMS 1999; AFMC 1999; CPMT 1999]
Options:
A) $ 2.5\times 10^{3}yrs $
B) $ 1.832\times 10^{3}yrs $
C) $ 2.275\times 10^{3}yrs $
D) $ 8.825\times 10^{2}yrs $
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Answer:
Correct Answer: C
Solution:
Average life period = $ 1.44\times {t _{1/2}} $
$ 1.44\times 1580=2275.2=2.275\times 10^{3}yrs\text{.} $
BETA
